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        <title>Graham Corporation Quarterly report pursuant to Section 13 or 15(d)</title>
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            <h3>Quarterly report pursuant to Section 13 or 15(d)</h3>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/3191">Cover</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3191">Document and Entity Information</a></li>
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                                <a class="menu-item current" href="/sec-filings/all-sec-filings/xbrl_doc_only/3192">Financial Statements</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3192">Condensed Consolidated Statements of Operations (Unaudited)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3193">Condensed Consolidated Statements of Comprehensive Income (Unaudited)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3194">Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3195">Condensed Consolidated Balance Sheets (Unaudited)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3196">Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3197">Condensed Consolidated Statements of Cash Flows (Unaudited)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3198">Condensed Consolidated Statements of Changes in Stockholders&#039; Equity</a></li>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/3199">Notes to Financial Statements</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3199">Pay vs Performance Disclosure</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3200">Insider Trading Arrangements</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3201">Basis of Presentation</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3202">Acquisition</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3203">Revenue Recognition</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3204">Inventories</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3205">Intangible Assets</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3206">Equity-Based Compensation</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3207">Income Per Share</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3208">Product Warranty Liability</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3209">Cash Flow Statement</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3210">Commitments and Contingencies</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3211">Income Taxes</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3212">Changes in Accumulated Other Comprehensive Loss</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3213">Debt</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3214">Accounting and Reporting Changes</a></li>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/3215">Notes Tables</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3215">Acquisition - (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3216">Revenue Recognition (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3217">Inventories (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3218">Intangible Assets (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3219">Equity-Based Compensation (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3220">Income Per Share (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3221">Product Warranty Liability (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3222">Cash Flow Statement (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3223">Changes in Accumulated Other Comprehensive Loss (Tables)</a></li>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/3224">Notes Details</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3224">Acquisition - Additional Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3225">Acquisition - Schedule of Contingent Earn Out Liability (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3226">Acquisition - Schedule of Final Purchase Price Allocation, After Adjustments of the Assets Acquired and Liabilities Assumed (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3227">Acquisition - Schedule of Unaudited Pro Forma Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3228">Revenue Recognition - Revenue Disaggregated by Product Line and Geographic Area (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3229">Revenue Recognition - Schedule of Disaggregation of Revenue (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3230">Revenue Recognition - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3231">Revenue Recognition - Schedule of Net Contract Assets (Liabilities) (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3232">Revenue Recognition - Additional Information (Detail1)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3233">Inventories - Major Classifications of Inventories (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3234">Intangible Assets - Schedule of Intangible assets (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3235">Intangible Assets - Schedule of Estimated Annual Future Amortization Expense (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3236">Intangible Assets - Additional Information (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3237">Equity-Based Compensation - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3238">Equity-Based Compensation - Schedule of Time-Vesting Restricted Stock Units (&quot;RSUs&quot;) and Performance-Vesting Restricted Stock Units (&quot;PSUs&quot;) Granted (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3239">Equity-Based Compensation - Schedule of Time-Vesting Restricted Stock Units (&quot;RSUs&quot;) and Performance-Vesting Restricted Stock Units (&quot;PSUs&quot;) Granted (Parenthetical) (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3240">Equity-Based Compensation - Schedule of recognized equity-based compensation (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3241">Income Per Share - Reconciliation of Numerators and Denominators of Basic and Diluted Income (Loss) Per Share (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3242">Product Warranty Liability - Reconciliation of the Changes in Product Warranty Liability (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3243">Cash Flow Statement - Schedule of Cash Flow Supplemental Disclosure (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3244">Commitments and Contingencies - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3245">Income Taxes - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3246">Changes in Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3247">Changes in Accumulated Other Comprehensive Loss - Reclassifications Out of Accumulated Other Comprehensive Loss by Component (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/3248">Debt - Additional Information (Detail)</a></li>
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                <h4>Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</h4>
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